Merge pull request #18 from healthy-food-and-dietary-products/feature…

…/orders

Feature/orders

backend/api/serializers.py

@@ -0,0 +1,43 @@
+from orders.models import ShoppingCart
+from rest_framework import serializers
+
+
+class ShoppingCartListSerializer(serializers.ModelSerializer):
+    """Serializer for product representation."""
+    product_name = serializers.SerializerMethodField()
+    product_amount = serializers.SerializerMethodField()
+    product_price = serializers.SerializerMethodField()
+
+    class Meta:
+        model = ShoppingCart
+        fields = ('product_name', 'product_amount', 'product_price')
+
+    def get_product_name(self, obj):
+        return obj.product.name
+
+    def get_product_amount(self, obj):
+        return obj.product.amount
+
+    def get_product_price(self, obj):
+        return obj.product.price
+
+
+class ShoppingCartPostUpdateSerializer(serializers.ModelSerializer):
+    count_of_product = serializers.IntegerField(default=1)
+
+    class Meta:
+        fields = '__all__'
+        model = ShoppingCart
+        validators = (
+            serializers.UniqueTogetherValidator(
+                queryset=ShoppingCart.objects.all(),
+                fields=('user', 'product'),
+                message='Вы уже добавили этот продукт в корзину!'
+            ),
+        )
+
+    def validate_count_of_product(self, data):
+        if data < 1:
+            raise serializers.ValidationError(
+                'Количество  товара в корзине должно быть не меньше 1!')
+        return data

backend/data/category.csv

@@ -0,0 +1,10 @@
+id,name,slug
+1,Фрукты,fruts
+2,Овощи,vegetables
+3,Хлебобулочные изделия,bakery
+4,Напитки,drinks
+5,Молочные продукты,dairy
+6,Безглютеновые продукты,gluten-free
+7,Безлактозные продукты,lactose-free
+8,Мясная продукция,meat
+9,Птица,poultry

backend/data/products.csv

@@ -0,0 +1,4 @@
+id,name,measure_unit,amount,description,image,producer,category,price
+1,авокадо,гр,50,Спелое авокадо,avocado.jpg,TLC,2,50
+2,огурцы,гр,200,Огурцы гладкие,cucumbers.jpg,TLC,2,60
+3,Чай зеленый Молочный Улунг,гр,150,Зеленый чай,green_tea.jpg,TLC,4,300

backend/data/users.csv

@@ -0,0 +1,7 @@
+id,username,email,password,first_name,last_name,address
+2,vasya.pupkin,vasya@yandex.ru,Qwerty123poiu,Вася,Пупкин,Saint-Petersburg
+3,july.kol,kolkinaa@mail.ru,mnbvcxz12345,Юля,Колкина,Saint-Petersburg
+4,nastya.vasina,nastya@yandex.ru,1234Qwerty987,Настя,Васина,Saint-Petersburg
+5,kisa.mura,kisa@yandex.ru,mnjggffdfdf,Кира,Муравьева,Saint-Petersburg
+6,Kostya.Smirny,smirnov@yandex.ru,smirnuy098876,Константин,Смирнов,Saint-Petersburg
+7,sonya.and,andr@mail.ru,andr0987,Соня,Андреева,Saint-Petersburg

backend/good_food/settings.py

@@ -51,6 +51,7 @@
     "products.apps.ProductsConfig",
     "users.apps.UsersConfig",
     "api.apps.ApiConfig",
+    "orders.apps.OrdersConfig",
     "phonenumber_field",
 ]
 

backend/orders/admin.py

@@ -0,0 +1,9 @@
+from django.contrib import admin
+from orders.models import ShoppingCart
+
+
+@admin.register(ShoppingCart)
+class ShoppingCartAdmin(admin.ModelAdmin):
+    list_display = ('id', 'user', 'product', 'quantity', 'status')
+    list_editable = ('user', 'product', 'quantity')
+    search_fields = ('user',)

backend/orders/apps.py

@@ -0,0 +1,6 @@
+from django.apps import AppConfig
+
+
+class OrdersConfig(AppConfig):
+    default_auto_field = 'django.db.models.BigAutoField'
+    name = 'orders'

backend/orders/models.py

@@ -0,0 +1,111 @@
+from django.core.validators import MaxValueValidator, MinValueValidator
+from django.db import models
+
+from products.models import Product
+from users.models import User
+
+
+class ShoppingCart(models.Model):
+    """Model for creating a shopping cart."""
+
+    SHOPPINGCART = (('Ordered', 'Передано в заказ'),
+                    ('In work', 'В работе'))
+
+    user = models.ForeignKey(
+        User,
+        on_delete=models.CASCADE,
+        related_name='shopping_carts',
+        verbose_name='Добавил в корзину'
+    )
+    product = models.ForeignKey(
+        Product,
+        on_delete=models.CASCADE,
+        related_name='shopping_carts',
+        verbose_name='Продукт в корзине'
+    )
+    quantity = models.IntegerField(
+        verbose_name='Количество товара',
+        validators=[
+            MinValueValidator(1, 'Разрешены значения от 1 до 100'),
+            MaxValueValidator(10000, 'Разрешены значения от 1 до 100')
+        ]
+    )
+    status = models.CharField(
+        max_length=50,
+        choices=SHOPPINGCART,
+        default='В работе'
+    )
+
+    class Meta:
+        verbose_name = 'Корзина'
+        verbose_name_plural = 'Корзина'
+        constraints = [
+            models.UniqueConstraint(
+                fields=['user', 'product'],
+                name='unique_shopping_cart'
+            )
+        ]
+
+
+class Order(models.Model):
+    """Model for creating an order."""
+
+    STATUS = (('Ordered', 'Оформлен'),
+              ('In processing', 'В обработке'),
+              ('Completed', 'Комплектуется'),
+              ('Gathered', 'Собран'),
+              ('In delivering', 'Передан в доставку'),
+              ('Delivered', 'Доставлен'),
+              ('Completed', 'Завершен'))
+
+    PAYMENT_METHODS = (('Cash', 'Наличные'),
+                       ('By card on the website', 'Картой на сайте'),
+                       ('In getting', 'При получении'))
+
+    DELIVERY_METHOD = (('Point of delivery', 'Пункт выдачи'),
+                       ('By courier', 'Курьером'))
+
+    user = models.ForeignKey(
+        User,
+        on_delete=models.CASCADE,
+        related_name='orders',
+        verbose_name='Покупатель'
+    )
+    goods = models.ForeignKey(
+        ShoppingCart,
+        on_delete=models.CASCADE,
+        related_name='orders',
+        verbose_name='Покупки'
+    )
+    date = models.DateField(
+        verbose_name='Дата оформления',
+        auto_now_add=True
+    )
+    status = models.CharField(
+        max_length=50,
+        choices=STATUS,
+        default='Оформлен'
+    )
+    payment_method = models.CharField(
+        max_length=50,
+        choices=PAYMENT_METHODS,
+        default='Картой на сайте'
+    )
+    is_paid = models.BooleanField(default=False)
+    comment = models.TextField(
+        max_length=400,
+        blank=True
+    )
+    delivery_method = models.CharField(
+        max_length=50,
+        choices=DELIVERY_METHOD,
+        default='Курьером'
+    )
+    total_price = models.IntegerField(
+        default=0
+    )
+
+    class Meta:
+        ordering = ['-date']
+        verbose_name = 'Заказ'
+        verbose_name_plural = 'Заказы'

backend/products/management/commands/load_data.py

@@ -0,0 +1,82 @@
+import csv
+import os
+
+from django.conf import settings
+from django.core.management.base import BaseCommand
+
+from products.models import Category, Product
+from users.models import User
+
+
+def read_users():
+    with open(os.path.join(settings.BASE_DIR, 'data', 'users.csv'),
+              'r', encoding='utf-8') as f:
+        reader = csv.reader(f, delimiter=',')
+        for row in reader:
+            if row[0] == 'id':
+                continue
+            User.objects.get_or_create(
+                id=row[0],
+                username=row[1],
+                email=row[2],
+                password=row[3],
+                first_name=row[4],
+                last_name=row[5],
+                # role=row[6]
+
+            )
+    print('Данные из файла users.csv загружены')
+
+
+def read_category():
+    with open(
+            os.path.join(
+                settings.BASE_DIR,
+                'data', 'category.csv',
+            ),
+            'r', encoding='utf-8'
+    ) as f:
+        reader = csv.reader(f, delimiter=',')
+        for row in reader:
+            if row[0] == 'id':
+                continue
+            Category.objects.get_or_create(
+                id=row[0],
+                name=row[1],
+                slug=row[2],
+            )
+    print('Данные из файла category.csv загружены')
+
+
+def read_products():
+    with open(
+            os.path.join(
+                settings.BASE_DIR,
+                'data', 'products.csv',
+            ),
+            'r', encoding='utf-8'
+    ) as f:
+        reader = csv.reader(f, delimiter=',')
+        for row in reader:
+            if row[0] == 'id':
+                continue
+            Product.objects.get_or_create(
+                id=row[0],
+                name=row[1],
+                measure_unit=row[2],
+                amount=row[3],
+                description=row[4],
+                image=row[5],
+                producer=row[6],
+                category=row[7],
+                price=row[8]
+            )
+    print('Данные из файла products.csv загружены')
+
+
+class Command(BaseCommand):
+
+    def handle(self, *args, **options):
+        read_users()
+        read_category()
+        read_products()